64892289

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 113541120

約数和(自身を除く): 48648831

約数列:

[1, 3, 7, 11, 21, 33, 43, 47, 77, 129, 139, 141, 231, 301, 329, 417, 473, 517, 903, 973, 987, 1419, 1529, 1551, 2021, 2919, 3311, 3619, 4587, 5977, 6063, 6533, 9933, 10703, 10857, 14147, 17931, 19599, 22231, 32109, 41839, 42441, 45731, 65747, 66693, 71863, 125517, 137193, 155617, 197241, 215589, 280919, 460229, 466851, 503041, 842757, 1380687, 1509123, 1966433, 3090109, 5899299, 9270327, 21630763, 64892289]

約数ペア:

[(1, 64892289), (3, 21630763), (7, 9270327), (11, 5899299), (21, 3090109), (33, 1966433), (43, 1509123), (47, 1380687), (77, 842757), (129, 503041), (139, 466851), (141, 460229), (231, 280919), (301, 215589), (329, 197241), (417, 155617), (473, 137193), (517, 125517), (903, 71863), (973, 66693), (987, 65747), (1419, 45731), (1529, 42441), (1551, 41839), (2021, 32109), (2919, 22231), (3311, 19599), (3619, 17931), (4587, 14147), (5977, 10857), (6063, 10703), (6533, 9933)]